Tu Van Thiet Ke Asean LTD Address: Dong Van Town, Dong Van District, Ha Giang Province Enterprise code: 5100253733 Phone: 0979712698 Representative: Nguyen Khac Hai Adress: Dong Van Town, Dong Van District, Ha Giang Province Dong Van Town, Dong Van District, Ha Giang ProvinceFounding date: 11 - 8 - 2008